<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>HTML 样式2</title>
</head>
<body style="background-color:yellow;">
	<h2 style="background-color:red">This is a heading</h2>
	<p style="background-color:green">This is a paragraph.</p>
</body>
</html> 